EgoVIS@CVPR: What Changed and What Could Have Changed? State-Change Counterfactuals for Procedure-Aware Video Representation Learning

Fuente: arXiv
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Autores principales: Kung, Chi-Hsi, Ramirez, Frangil, Ha, Juhyung, Chen, Yi-Ting, Crandall, David, Tsai, Yi-Hsuan
Formato: Preprint
Publicado: 2025
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author Kung, Chi-Hsi
Ramirez, Frangil
Ha, Juhyung
Chen, Yi-Ting
Crandall, David
Tsai, Yi-Hsuan
author_facet Kung, Chi-Hsi
Ramirez, Frangil
Ha, Juhyung
Chen, Yi-Ting
Crandall, David
Tsai, Yi-Hsuan
contents Understanding a procedural activity requires modeling both how action steps transform the scene, and how evolving scene transformations can influence the sequence of action steps, even those that are accidental or erroneous. Yet, existing work on procedure-aware video representations fails to explicitly learned the state changes (scene transformations). In this work, we study procedure-aware video representation learning by incorporating state-change descriptions generated by LLMs as supervision signals for video encoders. Moreover, we generate state-change counterfactuals that simulate hypothesized failure outcomes, allowing models to learn by imagining the unseen ``What if'' scenarios. This counterfactual reasoning facilitates the model's ability to understand the cause and effect of each step in an activity. To verify the procedure awareness of our model, we conduct extensive experiments on procedure-aware tasks, including temporal action segmentation, error detection, and more. Our results demonstrate the effectiveness of the proposed state-change descriptions and their counterfactuals, and achieve significant improvements on multiple tasks.
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id arxiv_https___arxiv_org_abs_2506_00101
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publishDate 2025
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spellingShingle EgoVIS@CVPR: What Changed and What Could Have Changed? State-Change Counterfactuals for Procedure-Aware Video Representation Learning
Kung, Chi-Hsi
Ramirez, Frangil
Ha, Juhyung
Chen, Yi-Ting
Crandall, David
Tsai, Yi-Hsuan
Computer Vision and Pattern Recognition
Understanding a procedural activity requires modeling both how action steps transform the scene, and how evolving scene transformations can influence the sequence of action steps, even those that are accidental or erroneous. Yet, existing work on procedure-aware video representations fails to explicitly learned the state changes (scene transformations). In this work, we study procedure-aware video representation learning by incorporating state-change descriptions generated by LLMs as supervision signals for video encoders. Moreover, we generate state-change counterfactuals that simulate hypothesized failure outcomes, allowing models to learn by imagining the unseen ``What if'' scenarios. This counterfactual reasoning facilitates the model's ability to understand the cause and effect of each step in an activity. To verify the procedure awareness of our model, we conduct extensive experiments on procedure-aware tasks, including temporal action segmentation, error detection, and more. Our results demonstrate the effectiveness of the proposed state-change descriptions and their counterfactuals, and achieve significant improvements on multiple tasks.
title EgoVIS@CVPR: What Changed and What Could Have Changed? State-Change Counterfactuals for Procedure-Aware Video Representation Learning
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2506.00101